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XSS prevention, attempt 1

ulfben Sep 20th, 2013 54 Never
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  1. function wpdt_escape_js($unsafe){
  2.         if(function_exists('json_encode')){ //php 4.
  3.                 return json_encode($unsafe);
  4.         }      
  5.         return str_replace('/', '&#x2F;', htmlspecialchars($unsafe, ENT_QUOTES, 'UTF-8')); //escape &<>"' and /
  6. }
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